3d7c150e3f
2003-07-04 Benjamin Kosnik <bkoz@redhat.com> Move from CPP to CXX. * include/bits/c++config: Move to GLIBCXX from GLIBCPP. * testsuite/Makefile.am: Same. * testsuite/Makefile.in: Regenerate. * po/Makefile.am: Same. * po/Makefile.in: Regenerate. * libsupc++/Makefile.am: Same. * libsupc++/Makefile.in: Regenerate. * libmath/Makefile.am: Same. * libmath/Makefile.in: Regenerate. * include/Makefile.am: Same. * include/Makefile.in: Regenerate. * src/Makefile.am: Same. * src/Makefile.in: Regenerate. * acconfig.h: Same. * configure.host: Same. * configure.in: Same. * configure: Regenerate. * acinclude.m4: Same. * aclocal.m4: Same. * src: Change all files in this directory. * testsuite: Same. * include: Same, standardize include guards. * config: Same. * libsupc++: Same. From-SVN: r68958
119 lines
3.3 KiB
C++
119 lines
3.3 KiB
C++
// File position object and stream types, generic version -*- C++ -*-
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// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003
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// Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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//
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// ISO C++ 14882: 27 Input/output library
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//
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/** @file fpos.h
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* This is an internal header file, included by other library headers.
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* You should not attempt to use it directly.
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*/
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#ifndef _CPP_BITS_FPOS_H
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#define _CPP_BITS_FPOS_H 1
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#pragma GCC system_header
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#include <bits/c++io.h>
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#include <cwchar> // For mbstate_t.
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namespace std
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{
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// 27.4.1 Types
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// [27.4.3] template class fpos
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/**
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* @doctodo
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*/
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template<typename _StateT>
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class fpos
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{
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private:
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streamoff _M_off;
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_StateT _M_st;
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public:
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_StateT
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state() const { return _M_st; }
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void
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state(_StateT __st) { _M_st = __st; }
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fpos(): _M_off(streamoff()), _M_st(_StateT()) { }
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// NB: The standard defines only the implicit copy ctor and the
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// previous two members. The rest is a "conforming extension".
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fpos(streamoff __off, _StateT __st = _StateT())
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: _M_off(__off), _M_st(__st) { }
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operator streamoff() const { return _M_off; }
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fpos&
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operator+=(streamoff __off) { _M_off += __off; return *this; }
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fpos&
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operator-=(streamoff __off) { _M_off -= __off; return *this; }
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fpos
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operator+(streamoff __off)
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{
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fpos __t(*this);
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__t += __off;
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return __t;
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}
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fpos
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operator-(streamoff __off)
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{
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fpos __t(*this);
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__t -= __off;
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return __t;
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}
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bool
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operator==(const fpos& __pos) const
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{ return _M_off == __pos._M_off; }
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bool
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operator!=(const fpos& __pos) const
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{ return !(*this == __pos); }
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};
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/// 27.2, paragraph 10 about fpos/char_traits circularity
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typedef fpos<mbstate_t> streampos;
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# ifdef _GLIBCXX_USE_WCHAR_T
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/// 27.2, paragraph 10 about fpos/char_traits circularity
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typedef fpos<mbstate_t> wstreampos;
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# endif
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} // namespace std
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#endif
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